import {reactive,onMounted,onBeforeUnmount} from 'vue'
function savePoint(){
    //实现鼠标“打点”的数据
    let point = reactive({
        x:0,
        y:0
      })

      //实现鼠标“打点”的方法
      function savePoint(event){
          point.x = event.pageX
          point.y = event.pageY
          console.log(event.pageX,event.pageY)
      }

      //实现鼠标“打点”的钩子
      onMounted(() => {
        window.addEventListener('click',savePoint)
      })

      onBeforeUnmount(() => {
        window.removeEventListener('click',savePoint)
      })
      return point
}

export default savePoint;